package shiyantian;

public class CharTest {

	public static void main(String args[]) {
		char a1, a2;
		a1 = 45;
		a2 = 46;
		System.out.println(a1 + " " + a2);
		System.out.println(a1 + a2);
		
		System.out.println("林可".substring(0, "林可".length() - 1));
	}
}
